79479332547 has 16 divisors (see below), whose sum is σ = 109434624000. Its totient is φ = 51256497600.

The previous prime is 79479332539. The next prime is 79479332557. The reversal of 79479332547 is 74523397497.

It is not a de Polignac number, because 79479332547 - 2³ = 79479332539 is a prime.

It is a super-2 number, since 2×79479332547² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79479332557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64954 + ... + 403952.

It is an arithmetic number, because the mean of its divisors is an integer number (6839664000).

Almost surely, 2^79479332547 is an apocalyptic number.

79479332547 is a deficient number, since it is larger than the sum of its proper divisors (29955291453).

79479332547 is a wasteful number, since it uses less digits than its factorization.

79479332547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341554.

The product of its digits is 40007520, while the sum is 60.

The spelling of 79479332547 in words is "seventy-nine billion, four hundred seventy-nine million, three hundred thirty-two thousand, five hundred forty-seven".